Pure Sound has announced the UK arrival of the Japanese made Aurorasound HEADA Balanced Drive Headphone Amplifier.

As conventionally configured, the Left & Right channels of a headphone amplifier drive the voice coils of the Left & Right driver. However the return path for each channel is joined as one before returning to the amplifier’s common ground. This shared connection has some electrical resistance from the wire and various joints which can produce a common signal at the negative terminal of both driver coils. This will generate low level crosstalk and increase the distortion heard through the headphones. A balanced configuration does away with this common earth return.

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